Hey there!
Use this formula:

Remember this formula.
Now, let's solve the given problem.

Hope this helps you!
~Just a joyful teen

Hope this helps and have a fantabulous day! :)
Answer:
5) -1-3=-4 or -1+-3=-4
6) -4+3=-1
Step-by-step explanation:
Answer:
It depends on the value of x.
Step-by-step explanation:
11x less than or equal to 22? It depends on the value of x.